This is an excellent piece of equipment that is designed to make your water heating needs easier. Made by Sunvic, a reputable brand in the industry, this storage tank water heater is a must-have for anyone who wants to have a constant supply of hot water. It is a 22MM 2 port body valve that is perfect for use with SM5203/SZ2301/SZ2302 actuator. The heater is made to the highest of standards and is built to last. It has been designed with efficiency in mind and will save you money on your energy bills. With its sleek design and high-quality construction, this storage tank water heater is sure to impress. It is perfect for use in standard water heaters, as well as in heaters & radiators. Buy with confidence knowing that you are getting a quality product that will meet all your water heating needs.